H01J 2229/0015
Preventing or cancelling fields leaving the enclosure
H01J2229/0015 (Preventing or cancelling fields leaving the enclosure) appears on 108 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 108
- Published applications
- 5
- Assignees
- 43
- Inventors
- 194
- Latest grant
- 5 Jul 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 16 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 3 |
| 2003 | 5 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Vacuum fluorescent display having x-ray shielding cap5 Jul 2005US 6,914,380 B2Noritake Co., Limited
- Cathode-ray tube2 Nov 2004US 6,812,630 B2Matsushita Electric Industrial Co., Ltd.
- Cathode ray tube device that reduces magnetic field leakage7 Oct 2003US 6,630,791 B2Matsushita Electric Industrial Co., Ltd.
- Cathode-ray tube30 Sep 2003US 6,628,064 B1Matsushita Electric Industrial Co., Ltd.
- Video shield for monitor comprising a bracket in combination with an absorber and a connector23 Sep 2003US 6,624,563 B1Samsung Electronics Co., Ltd.
- Projection display apparatus and magnetic shield device3 Nov 2005US 2005/0242754 A1Kabushiki Kaisha Toshiba
- Cathode-ray tube2 Jan 2003US 2003/0001485 A1Matsushita Electric Industrial Co., Ltd.
- Inner shield for color CRT15 Aug 2002US 2002/0109450 A1LG Electronics Inc.
- Cathode ray tube device that reduces magnetic field leakage15 Aug 2002US 2002/0109461 A1Matsushita Electric Industrial Co., Ltd.
- Vacuum fluorescent display28 Feb 2002US 2002/0024290 A1Noritake Co., Limited
Most cited
By later US patents
- Apparatus for suppressing field radiation from display device142US 5,260,626 ANanao Corporation · 1993
- Method and apparatus for reducing the intensity of magenetic field emissions from display device128US 5,594,615 AMTI, Inc. · 1997
- Method and apparatus for reducing the intensity of magnetic field emissions from video display units127US 5,561,333 AMTI, Inc. · 1996
- Compensation of electromagnetic distortion caused by metal mass42US 5,760,335 AElbit Systems Ltd. · 1998
- Apparatus and method for reducing the magnitude of time varying electric fields in CRT displays23US 5,151,635 AApple Computer, Inc. · 1992